Answer:
her average speed is 16 miles per hour
Step-by-step explanation:
do 48 divided by 3 = 16
Answer:b
Step-by-step explanation:
Answer: A, 4^4
Step-by-step explanation:
4^7/4^3 = 4^4
Using scientific notation, it is found that:
67 ns =
s
<h3>What is scientific notation?</h3>
A number in scientific notation is given by:

With the base being
.
In this problem, the amount is of 67 ns.
Each ns has
seconds, hence:

We want the base between 1 and 10(exclusive), hence, we move the decimal digit one digit to the left and add one to the exponent, and the representation is:
67 ns =
s
You can learn more about scientific notation at brainly.com/question/16394306
Answer:
$138.60
Step-by-step explanation:
10% of 2200 is 220.
2200 - 220 = 1980
7% of 1980 is 138.60